lang: eltype: 7author: Fountzoula, Christina_or_Zoi, Georgiou_or_Papaioannou, Angelos_or_Leondaritis, George_or_Spyropoulos, Vasileios_or_Sapountzaki, Kalliopi_or_Lekka, Maria Eleni Ecollection: 2subjectTerm: I. MATHEMATICS AND COMPUTER SCIENCE_or_III. ENGINEERING AND TECHNOLOGY_or_II. NATURAL SCIENCES AND AGRICULTURAL SCIENCES_or_VI. HUMANITIES AND ARTS__en